Retractable eraser



FIG. 1 is a right side elevational view of a retractable eraser showing my new design with the eraser in a fully retracted state, the left side being the same in appearance as the right side;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a top plan view thereof; and,

FIG. 6 is a front elevational view thereof with the eraser in a partly extended state.

The characteristic feature of the design resides in the particular marblized pattern on the eraser casing's surface. 

The ornamental design for a retractable eraser, as shown and described. 